公开(公告)号：US09966188B2

公开(公告)日：2018-05-08

申请号：US14198322

申请日：2014-03-05

Applicant: QUALCOMM Incorporated

Inventor： Nigel P. Cook ,  Lukas Sieber ,  Hanspeter Widmer

IPC: H02J17/00 ,  H01F38/14 ,  H01Q1/12 ,  H01Q1/24 ,  H02J50/12 ,  H02J50/90 ,  H01F5/00 ,  H01F7/20

CPC classification number: H01F38/14 ,  H01F5/003 ,  H01F7/20 ,  H01Q1/1285 ,  H01Q1/248 ,  H02J50/12 ,  H02J50/90

Abstract: A wireless power bridge that allows magnetic transmission of energy across a solid barrier such as a wall. A circuit is described for controlling the operation.

公开(公告)号：US09921045B2

公开(公告)日：2018-03-20

申请号：US14218516

申请日：2014-03-18

Applicant: QUALCOMM Incorporated

Inventor： Lukas Sieber ,  Marcel Fischer ,  Hanspeter Widmer

IPC: G01B7/00 ,  G01R29/08 ,  B60L11/18 ,  H02J7/02 ,  H02J5/00

CPC classification number: G01B7/003 ,  B60L11/182 ,  B60L11/1829 ,  B60L11/1833 ,  B60L2270/147 ,  G01R29/0807 ,  H02J5/005 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  H02J50/60 ,  H02J50/80 ,  H02J50/90 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T90/12 ,  Y02T90/121 ,  Y02T90/122 ,  Y02T90/125 ,  Y02T90/14

Abstract: An apparatus for detecting a presence of an object can include a plurality of electrically conductive loops arranged in an array. The apparatus includes a sensor circuit configured to determine a characteristic associated with each of the plurality of loops. The apparatus includes a hardware processor configured to, for each loop of the plurality of loops, determine a parameter based on the characteristic associated with the loop and the characteristic associated with at least one adjacent loop. The hardware processor may be further configured to determine the presence of the object based on the parameter. The parameter may comprise a sum of a difference between the characteristic associated with the loop and a reference value for the characteristic, and a difference between the characteristic associated with each of the at least one adjacent loop and the reference value.

公开(公告)号：US09793765B2

公开(公告)日：2017-10-17

申请号：US14309754

申请日：2014-06-19

Applicant: QUALCOMM Incorporated

Inventor： Nigel P. Cook ,  Hanspeter Widmer ,  Lukas Sieber

IPC: H01F27/42 ,  H01F37/00 ,  H01F38/00 ,  H02J50/40 ,  H01Q1/22 ,  H01Q7/00 ,  H02J5/00 ,  H02J50/27 ,  H02J50/23

CPC classification number: H02J50/12 ,  H01Q1/2225 ,  H01Q7/00 ,  H02J5/005 ,  H02J7/025 ,  H02J50/05 ,  H02J50/23 ,  H02J50/27 ,  H02J50/40

Abstract: A wireless power transmission system is disclosed. In one aspect, the system includes a transmitting antenna configured to transmit power, via a magnetic field, to a receiving antenna to power a load. The system also includes a tuning loop electrically isolated from the transmitting antenna and being movable relative to the transmitting antenna to adjust a coupling between the transmitting antenna and the tuning loop.

公开(公告)号：US20170267110A1

公开(公告)日：2017-09-21

申请号：US15424640

申请日：2017-02-03

Applicant: QUALCOMM Incorporated

Inventor： Hanspeter Widmer ,  Nigel P. Cook ,  Lukas Sieber

IPC: B60L11/18 ,  H04B5/00 ,  H04B3/00

CPC classification number: B60L11/182 ,  B60L50/66 ,  B60L53/11 ,  B60L53/12 ,  B60L2200/26 ,  B60L2210/20 ,  H04B3/00 ,  H04B5/0037 ,  Y02T10/7005 ,  Y02T10/705 ,  Y02T10/7072 ,  Y02T10/725 ,  Y02T90/121 ,  Y02T90/122 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14

Abstract: Exemplary embodiments are directed to bidirectional wireless power transfer using magnetic resonance in a coupling mode region between a charging base (CB) and a battery electric vehicle (BEV). For different configurations, the wireless power transfer can occur from the CB to the BEV and from the BEV to the CB.

公开(公告)号：US09726518B2

公开(公告)日：2017-08-08

申请号：US13791585

申请日：2013-03-08

Applicant: QUALCOMM Incorporated

Inventor： Hanspeter Widmer ,  Markus Bittner ,  Lukas Sieber ,  Marcel Fischer

IPC: H01F38/14 ,  G01D5/20 ,  G01N27/72 ,  B60L3/00 ,  B60L3/04 ,  B60L11/14 ,  B60L11/18 ,  H02J50/12 ,  H02J50/60 ,  H04B5/00 ,  G01V3/10

CPC classification number: G01D5/2006 ,  B60L3/003 ,  B60L3/0038 ,  B60L3/0046 ,  B60L3/04 ,  B60L11/14 ,  B60L11/1803 ,  B60L11/182 ,  B60L11/1824 ,  B60L11/1833 ,  B60L11/1835 ,  B60L11/1842 ,  B60L11/1844 ,  B60L11/1846 ,  B60L11/1877 ,  B60L2200/12 ,  B60L2200/22 ,  B60L2210/30 ,  B60L2210/40 ,  B60L2230/16 ,  B60L2240/36 ,  B60L2240/525 ,  B60L2250/16 ,  B60L2270/147 ,  B60L2270/32 ,  B60L2270/34 ,  G01N27/725 ,  G01V3/10 ,  H01F38/14 ,  H02J50/12 ,  H02J50/60 ,  H04B5/0037 ,  H04B5/0043 ,  Y02E60/721 ,  Y02T10/70 ,  Y02T10/7005 ,  Y02T10/705 ,  Y02T10/7077 ,  Y02T10/7088 ,  Y02T10/7241 ,  Y02T90/121 ,  Y02T90/122 ,  Y02T90/125 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/163 ,  Y02T90/169 ,  Y04S10/126 ,  Y04S30/14

Abstract: This disclosure provides systems, methods and apparatus for detecting foreign objects. In one aspect an apparatus for detecting a presence of an object is provided. The apparatus includes a resonant circuit having a resonant frequency. The resonant circuit includes a sense circuit including an electrically conductive structure. The apparatus further includes a coupling circuit coupled to the sense circuit. The apparatus further includes a detection circuit coupled to the sense circuit via the coupling circuit. The detection circuit is configured to detect the presence of the object in response to detecting a difference between a measured characteristic that depends on a frequency at which the resonant circuit is resonating and a corresponding characteristic that depends on the resonant frequency of the resonant circuit. The coupling circuit is configured to reduce a variation of the resonant frequency by the detection circuit in the absence of the object.

公开(公告)号：US20170126281A1

公开(公告)日：2017-05-04

申请号：US15284254

申请日：2016-10-03

Applicant: QUALCOMM Incorporated

Inventor： Nigel Cook ,  Hanspeter Widmer ,  Lukas Sieber

IPC: H04B5/00 ,  H01Q1/22 ,  H04W4/00

CPC classification number: H02J50/12 ,  H01F38/14 ,  H01Q7/00 ,  H02J5/005 ,  H02J7/025 ,  H04B5/0037 ,  H04W4/80

Abstract: A wireless power system includes a power source, power receiver, and components thereof. The system can also include a parasitic antenna that can improve the coupling to the power source in various modes. The antenna can have both a variable capacitor and a variable inductor, and both of those can be changed in order to change characteristics of the matching.

公开(公告)号：US20170005523A1

公开(公告)日：2017-01-05

申请号：US15069716

申请日：2016-03-14

Applicant: QUALCOMM Incorporated

Inventor： Hans Peter Widmer ,  Lukas Sieber ,  Andreas Daetwyler

IPC: H02J50/12 ,  H02J50/90 ,  H02J7/02 ,  H02J50/60

Abstract: An apparatus for determining a relative position of a wireless power transmitter from a wireless power receiver is provided. The apparatus comprises a driver circuit configured to generate a first signal and a second signal. At least one of the first signal and the second signal oscillates at two frequencies. The apparatus comprises a first generator coil configured to generate a first alternating magnetic field when driven by the first signal. The first generator coil is also configurable to wirelessly transfer charging power from the wireless power transmitter. The apparatus comprises a second generator coil configured to generate a second alternating magnetic field when driven by the second signal.

Abstract translation: 提供一种用于确定无线电力发射机与无线电力接收机的相对位置的装置。 该装置包括被配置为产生第一信号和第二信号的驱动器电路。 第一信号和第二信号中的至少一个以两个频率振荡。 该装置包括第一发生器线圈，其被配置为当由第一信号驱动时产生第一交变磁场。 第一发电机线圈也可配置成从无线功率发射器无线传输充电电力。 该装置包括第二发生器线圈，其被配置为当由第二信号驱动时产生第二交变磁场。

公开(公告)号：US09425653B2

公开(公告)日：2016-08-23

申请号：US14019930

申请日：2013-09-06

Applicant: QUALCOMM Incorporated

Inventor： Nigel P. Cook ,  Lukas Sieber ,  Hanspeter Widmer

IPC: H01F27/42 ,  H01F37/00 ,  H01F38/00 ,  H02J17/00 ,  H02J5/00 ,  H03F3/217

CPC classification number: H02J50/12 ,  H02J5/005 ,  H02J7/025 ,  H02J17/00 ,  H02J50/10 ,  H03F3/2176

Abstract: Exemplary embodiments are directed to wireless power transfer. A wireless power transmitter includes a transmit antenna configured as a resonant tank including a loop inductor and an antenna capacitance. The transmitter further includes an amplifier configured to drive the transmit antenna and a matching circuit operably coupled between the transmit antenna and the amplifier. The transmitter also includes a capacitor integrating the antenna capacitance and a matching circuit capacitance.

公开(公告)号：US20160187520A1

公开(公告)日：2016-06-30

申请号：US14723358

申请日：2015-05-27

Applicant: QUALCOMM Incorporated

Inventor： Hans Peter Widmer ,  Lukas Sieber ,  Andreas Daetwyler

IPC: G01V3/10

CPC classification number: G01V3/101 ,  G01R27/02 ,  G01V3/10 ,  G01V3/38 ,  H02J50/60

Abstract: One aspect of the disclosure provides apparatus for detecting an object. The apparatus comprises a sense coil. The apparatus comprises a processor configured to determine an amount of change in a reactance of the sense coil from a previous reactance value for the sense coil. The processor is configured to determine an amount of change in a resistance of the sense coil from a previous resistance value for the sense coil. The processor is configured to determine a presence of the object based on a relationship between the amount of change in the reactance of the sense coil and the amount of change in the resistance of the sense coil. The processor performs an inverse tangent operation on a quotient of the amount of change in the reactance of the sense coil divided by the amount of change in the resistance of the sense coil.

Abstract translation: 本公开的一个方面提供了用于检测对象的装置。 该装置包括检测线圈。 该装置包括处理器，其被配置为从感测线圈的先前电抗值确定感测线圈的电抗变化量。 处理器被配置为从感测线圈的先前电阻值确定感测线圈的电阻的变化量。 处理器被配置为基于感测线圈的电抗的变化量与感测线圈的电阻的变化量之间的关系来确定对象的存在。 处理器对感测线圈的电抗变化量除以感测线圈的电阻的变化量的商数进行反正切运算。

公开(公告)号：US20160109564A1

公开(公告)日：2016-04-21

申请号：US14801559

申请日：2015-07-16

Applicant: QUALCOMM Incorporated

Inventor： Lukas Sieber ,  Swagat Chopra

IPC: G01S13/04 ,  H02J5/00 ,  G01S13/06

CPC classification number: G01S13/04 ,  B60L11/182 ,  B60L11/1829 ,  B60L11/1833 ,  B60L11/1838 ,  B60L2230/10 ,  B60L2270/147 ,  G01S7/415 ,  G01S13/06 ,  G01S13/42 ,  G01S13/56 ,  G01S13/58 ,  G01S13/87 ,  G01S13/88 ,  H02J5/005 ,  Y02T10/7005 ,  Y02T10/7088 ,  Y02T90/121 ,  Y02T90/122 ,  Y02T90/125 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/163

Abstract: Systems, methods, and apparatus for living object protection in wireless power transfer applications are provided. In one aspect, an apparatus for detecting objects in a detection area of a wireless power transfer system is provided. The apparatus comprises a plurality of radar transceivers. The apparatus comprises at least one processor configured to receive radar data from the plurality of radar transceivers, detect an object in the detection area based on the received radar data, and adjust the detection area. The apparatus is configured to adjust the detection area based on at least one of a type of chargeable vehicle present, an amount of power being wirelessly transferred by the wireless power transfer system, an alignment of a vehicle with the wireless power transfer system, or a speed of the object approaching the detection area.

Abstract translation: 提供了无线功率传输应用中用于生物保护的系统，方法和装置。 一方面，提供了一种用于检测无线电力传送系统的检测区域中的物体的装置。 该装置包括多个雷达收发器。 所述装置包括：至少一个处理器，被配置为从所述多个雷达收发器接收雷达数据，基于所接收的雷达数据检测所述检测区域中的对象，并调整所述检测区域。 该装置被配置为基于存在的可充电车辆的类型，由无线电力传送系统无线传送的功率量，车辆与无线电力传送系统的对准中的至少一种，或者 物体接近检测区域的速度。